Biology II – Chapter 11: The Cell Cycle
______1. Which of the following is the longest part of the cell cycle?
A. Interphase
B. Prophase
C. Metaphase
D. Telophase
______2. In which part of Interphase are the chromosomes replicated?
A. G1
B. S
C. G2
D. S2
______3. During what part of Interphase does the cell grow and prepare for mitosis?
A. G1
B. S
C. G2
D. S2
______4. What is the division of the nucleus called?
A. Interphase
B. Mitosis
C. Endocytosis
D. Cytokinesis
______5. What is the division of the entire cell called?
A. Interphase
B. Mitosis
C. Endocytosis
D. Cytokinesis
______6. If you are observing a cell and notice that the chromosomes appear to be lined up in the
middle of the nucleus, what stage of mitosis are you observing?
A. Prophase
B. Metaphase
C. Anaphase
D. Telophase
______7. If it looks as though the cell you see through the microscope has two nuclei, what stage
of mitosis are you observing?
A. Prophase
B. Metaphase
C. Anaphase
D. Telophase
______8. A cell plate is forming in one of the cells that you are observing. Which of the following
type of cells could you be viewing?
A. human skin cells
C. a fly’s eye
B. root tip cells
D. bristles of an earthworm
______9. In which of the following circumstances would cells NOT divide by the process of
mitosis?
A. repairing a cut
C. creating sex cells
B. adding cells during growth of an infant
D. replacing old skin cells
______10. How many times do chromosomes separate during the process of mitosis?
A. 0
B. 1
C. 2
D. 4
______11. In what type of cells does meiosis occur?
A. liver cells
C. all living cells
B. somatic cells
D. reproductive cells
______12. If the somatic cells of an organism have 26 chromosomes, how many chromosomes will
the organism’s gametes have?
A. 26
B. 13
C. 52
D. 8
______13. Which of the following is TRUE about meiosis?
A. It results in identical daughter cells
C. It allows genetic variation to occur
B. It keeps cells from dividing too rapidly D. It results in diploid cells
______14. What are cells produced by meiosis called?
A. haploid cells
B. diploid cells
C. identical cells
D. variant cells
______15. How many times does chromosome separation occur in meiosis?
A. 0
B. 1
C. 2
D. 4
______16. Which of the following is a TRUE statement about mitosis and meiosis?
A. both processes produce genetically identical daughter cells
B. the nucleus and cell undergo only one division
C. during metaphase in mitosis and metaphase I in meiosis , each chromosome lines up
randomly at the equator
D. during anaphase in mitosis and anaphase II in meiosis, sister chromatids separate at
the centromere and travel to opposite ends of the cell.
______17. An important difference in meiosis and mitosis occurs because of the way chromosomes
line up at the equator during metaphase. When do homologous chromosomes form
tetrads?
A. only in mitosis during prophase
B. only in meiosis and only during prophase I
C. only in meiosis and only during prophase II
D. only in meiosis and during both prophase I and prophase II
______18. Crossing-over refers to which of the following?
A. sister chromatids exchange sections of DNA
B. homologous chromosomes change position at the equator
C. non-sister chromatids of homologous chromosomes exchange sections of DNA
D. homologous chromosomes separate and travel to opposite ends of the cell
KEY
1. A
2. B
3. C
4. B
5. D
6. B
7. D
8. B
9. C
10. B
11. D
12. B
13. C
14. A
15. C
16. D
17. B
18. C